/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-63.i


--------------------------------------------------------------------------------


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-23 15:32:54,554 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-23 15:32:54,627 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2023-12-23 15:32:54,631 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-23 15:32:54,632 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-23 15:32:54,655 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-23 15:32:54,655 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-23 15:32:54,655 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-23 15:32:54,656 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-23 15:32:54,659 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-23 15:32:54,659 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-23 15:32:54,659 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-23 15:32:54,660 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-23 15:32:54,661 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-23 15:32:54,661 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-23 15:32:54,661 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-23 15:32:54,661 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-23 15:32:54,662 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-23 15:32:54,662 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-23 15:32:54,662 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-23 15:32:54,662 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-23 15:32:54,663 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-23 15:32:54,663 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-23 15:32:54,663 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-12-23 15:32:54,663 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-12-23 15:32:54,663 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-23 15:32:54,663 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-12-23 15:32:54,664 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-23 15:32:54,664 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-23 15:32:54,664 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-23 15:32:54,665 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-23 15:32:54,665 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-23 15:32:54,665 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-23 15:32:54,665 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-23 15:32:54,665 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-23 15:32:54,666 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-23 15:32:54,666 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-23 15:32:54,666 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-23 15:32:54,666 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-12-23 15:32:54,666 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-12-23 15:32:54,666 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-23 15:32:54,667 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-23 15:32:54,667 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-23 15:32:54,667 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-23 15:32:54,667 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-23 15:32:54,667 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2023-12-23 15:32:54,667 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-12-23 15:32:54,866 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-23 15:32:54,886 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-23 15:32:54,888 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-23 15:32:54,889 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-23 15:32:54,889 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-23 15:32:54,890 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-63.i
[2023-12-23 15:32:55,967 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-23 15:32:56,149 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-23 15:32:56,149 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-63.i
[2023-12-23 15:32:56,165 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7775c47a4/7f76ad1bdd4f4857902cdce86f79f004/FLAG0ef7d94e3
[2023-12-23 15:32:56,182 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7775c47a4/7f76ad1bdd4f4857902cdce86f79f004
[2023-12-23 15:32:56,184 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-23 15:32:56,185 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-23 15:32:56,186 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-23 15:32:56,186 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-23 15:32:56,190 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-23 15:32:56,190 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 03:32:56" (1/1) ...
[2023-12-23 15:32:56,191 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@663eac57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:32:56, skipping insertion in model container
[2023-12-23 15:32:56,191 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 03:32:56" (1/1) ...
[2023-12-23 15:32:56,227 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-23 15:32:56,330 WARN  L239   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-63.i[919,932]
[2023-12-23 15:32:56,400 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-23 15:32:56,411 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-23 15:32:56,419 WARN  L239   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-63.i[919,932]
[2023-12-23 15:32:56,445 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-23 15:32:56,457 INFO  L206         MainTranslator]: Completed translation
[2023-12-23 15:32:56,458 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:32:56 WrapperNode
[2023-12-23 15:32:56,458 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-23 15:32:56,459 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-23 15:32:56,459 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-23 15:32:56,459 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-23 15:32:56,463 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:32:56" (1/1) ...
[2023-12-23 15:32:56,473 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:32:56" (1/1) ...
[2023-12-23 15:32:56,495 INFO  L138                Inliner]: procedures = 27, calls = 53, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 247
[2023-12-23 15:32:56,496 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-23 15:32:56,496 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-23 15:32:56,496 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-23 15:32:56,496 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-23 15:32:56,504 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:32:56" (1/1) ...
[2023-12-23 15:32:56,504 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:32:56" (1/1) ...
[2023-12-23 15:32:56,510 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:32:56" (1/1) ...
[2023-12-23 15:32:56,521 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2023-12-23 15:32:56,521 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:32:56" (1/1) ...
[2023-12-23 15:32:56,522 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:32:56" (1/1) ...
[2023-12-23 15:32:56,530 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:32:56" (1/1) ...
[2023-12-23 15:32:56,533 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:32:56" (1/1) ...
[2023-12-23 15:32:56,535 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:32:56" (1/1) ...
[2023-12-23 15:32:56,537 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:32:56" (1/1) ...
[2023-12-23 15:32:56,540 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-23 15:32:56,540 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-23 15:32:56,540 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-23 15:32:56,541 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-23 15:32:56,541 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:32:56" (1/1) ...
[2023-12-23 15:32:56,545 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-23 15:32:56,554 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-23 15:32:56,570 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2023-12-23 15:32:56,585 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2023-12-23 15:32:56,604 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-23 15:32:56,604 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-12-23 15:32:56,604 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-12-23 15:32:56,604 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-12-23 15:32:56,604 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-23 15:32:56,604 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-23 15:32:56,669 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-23 15:32:56,671 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-23 15:33:03,573 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-23 15:33:03,639 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-23 15:33:03,639 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-23 15:33:03,639 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 03:33:03 BoogieIcfgContainer
[2023-12-23 15:33:03,639 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-23 15:33:03,641 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-23 15:33:03,641 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-23 15:33:03,643 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-23 15:33:03,643 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 03:32:56" (1/3) ...
[2023-12-23 15:33:03,644 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a88a45d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 03:33:03, skipping insertion in model container
[2023-12-23 15:33:03,644 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:32:56" (2/3) ...
[2023-12-23 15:33:03,644 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a88a45d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 03:33:03, skipping insertion in model container
[2023-12-23 15:33:03,644 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 03:33:03" (3/3) ...
[2023-12-23 15:33:03,645 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-cn_file-63.i
[2023-12-23 15:33:03,660 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-23 15:33:03,660 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-23 15:33:03,710 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-23 15:33:03,716 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@758d98d2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-23 15:33:03,716 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-23 15:33:03,721 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 101 states, 58 states have (on average 1.396551724137931) internal successors, (81), 59 states have internal predecessors, (81), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40)
[2023-12-23 15:33:03,751 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 249
[2023-12-23 15:33:03,751 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 15:33:03,752 INFO  L195           NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-23 15:33:03,752 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 15:33:03,759 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 15:33:03,759 INFO  L85        PathProgramCache]: Analyzing trace with hash 1057649171, now seen corresponding path program 1 times
[2023-12-23 15:33:03,775 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 15:33:03,775 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1781022657]
[2023-12-23 15:33:03,776 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 15:33:03,776 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-23 15:33:03,776 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 15:33:03,779 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-23 15:33:03,826 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2023-12-23 15:33:04,275 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 15:33:04,293 INFO  L262         TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-23 15:33:04,301 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 15:33:04,349 INFO  L134       CoverageAnalysis]: Checked inductivity of 3120 backedges. 1158 proven. 0 refuted. 0 times theorem prover too weak. 1962 trivial. 0 not checked.
[2023-12-23 15:33:04,349 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 15:33:04,350 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 15:33:04,350 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1781022657]
[2023-12-23 15:33:04,350 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1781022657] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 15:33:04,351 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 15:33:04,351 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-23 15:33:04,352 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208280780]
[2023-12-23 15:33:04,352 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 15:33:04,355 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-23 15:33:04,355 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 15:33:04,373 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-23 15:33:04,374 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-23 15:33:04,376 INFO  L87              Difference]: Start difference. First operand  has 101 states, 58 states have (on average 1.396551724137931) internal successors, (81), 59 states have internal predecessors, (81), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) Second operand  has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40)
[2023-12-23 15:33:07,836 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.42s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-23 15:33:07,837 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 15:33:07,837 INFO  L93              Difference]: Finished difference Result 199 states and 360 transitions.
[2023-12-23 15:33:07,876 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-23 15:33:07,877 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 248
[2023-12-23 15:33:07,877 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 15:33:07,882 INFO  L225             Difference]: With dead ends: 199
[2023-12-23 15:33:07,883 INFO  L226             Difference]: Without dead ends: 99
[2023-12-23 15:33:07,886 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-23 15:33:07,890 INFO  L413           NwaCegarLoop]: 153 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time
[2023-12-23 15:33:07,892 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 153 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time]
[2023-12-23 15:33:07,904 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 99 states.
[2023-12-23 15:33:07,939 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99.
[2023-12-23 15:33:07,940 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 99 states, 57 states have (on average 1.3333333333333333) internal successors, (76), 57 states have internal predecessors, (76), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40)
[2023-12-23 15:33:07,949 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 156 transitions.
[2023-12-23 15:33:07,950 INFO  L78                 Accepts]: Start accepts. Automaton has 99 states and 156 transitions. Word has length 248
[2023-12-23 15:33:07,950 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 15:33:07,950 INFO  L495      AbstractCegarLoop]: Abstraction has 99 states and 156 transitions.
[2023-12-23 15:33:07,951 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40)
[2023-12-23 15:33:07,951 INFO  L276                IsEmpty]: Start isEmpty. Operand 99 states and 156 transitions.
[2023-12-23 15:33:07,958 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 249
[2023-12-23 15:33:07,958 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 15:33:07,959 INFO  L195           NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-23 15:33:07,977 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0
[2023-12-23 15:33:08,174 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-23 15:33:08,174 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 15:33:08,175 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 15:33:08,175 INFO  L85        PathProgramCache]: Analyzing trace with hash 1742766567, now seen corresponding path program 1 times
[2023-12-23 15:33:08,176 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 15:33:08,178 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [121162182]
[2023-12-23 15:33:08,178 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 15:33:08,178 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-23 15:33:08,178 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 15:33:08,182 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-23 15:33:08,185 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2023-12-23 15:33:08,642 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 15:33:08,660 INFO  L262         TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-12-23 15:33:08,673 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 15:33:10,742 INFO  L134       CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked.
[2023-12-23 15:33:10,742 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 15:33:10,742 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 15:33:10,743 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [121162182]
[2023-12-23 15:33:10,743 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [121162182] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 15:33:10,743 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 15:33:10,743 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-12-23 15:33:10,743 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091610711]
[2023-12-23 15:33:10,743 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 15:33:10,744 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-23 15:33:10,744 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 15:33:10,745 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-23 15:33:10,745 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-12-23 15:33:10,745 INFO  L87              Difference]: Start difference. First operand 99 states and 156 transitions. Second operand  has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40)
[2023-12-23 15:33:15,613 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-23 15:33:17,205 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-23 15:33:21,492 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-23 15:33:21,493 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 15:33:21,493 INFO  L93              Difference]: Finished difference Result 296 states and 467 transitions.
[2023-12-23 15:33:21,529 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-12-23 15:33:21,530 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 248
[2023-12-23 15:33:21,531 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 15:33:21,532 INFO  L225             Difference]: With dead ends: 296
[2023-12-23 15:33:21,532 INFO  L226             Difference]: Without dead ends: 198
[2023-12-23 15:33:21,533 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2023-12-23 15:33:21,534 INFO  L413           NwaCegarLoop]: 148 mSDtfsCounter, 119 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 81 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time
[2023-12-23 15:33:21,535 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 513 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 107 Invalid, 2 Unknown, 0 Unchecked, 10.6s Time]
[2023-12-23 15:33:21,535 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 198 states.
[2023-12-23 15:33:21,558 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 181.
[2023-12-23 15:33:21,559 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 181 states, 98 states have (on average 1.2857142857142858) internal successors, (126), 98 states have internal predecessors, (126), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80)
[2023-12-23 15:33:21,560 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 286 transitions.
[2023-12-23 15:33:21,560 INFO  L78                 Accepts]: Start accepts. Automaton has 181 states and 286 transitions. Word has length 248
[2023-12-23 15:33:21,561 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 15:33:21,561 INFO  L495      AbstractCegarLoop]: Abstraction has 181 states and 286 transitions.
[2023-12-23 15:33:21,561 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40)
[2023-12-23 15:33:21,561 INFO  L276                IsEmpty]: Start isEmpty. Operand 181 states and 286 transitions.
[2023-12-23 15:33:21,563 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 249
[2023-12-23 15:33:21,563 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 15:33:21,563 INFO  L195           NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-23 15:33:21,579 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0
[2023-12-23 15:33:21,764 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-23 15:33:21,764 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 15:33:21,765 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 15:33:21,765 INFO  L85        PathProgramCache]: Analyzing trace with hash 1155960553, now seen corresponding path program 1 times
[2023-12-23 15:33:21,766 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 15:33:21,766 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1989651782]
[2023-12-23 15:33:21,766 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 15:33:21,766 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-23 15:33:21,767 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 15:33:21,785 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-23 15:33:21,816 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2023-12-23 15:33:22,235 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 15:33:22,252 INFO  L262         TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-23 15:33:22,256 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 15:33:22,292 INFO  L134       CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked.
[2023-12-23 15:33:22,293 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 15:33:22,293 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 15:33:22,293 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1989651782]
[2023-12-23 15:33:22,293 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1989651782] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 15:33:22,293 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 15:33:22,293 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-23 15:33:22,293 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349170565]
[2023-12-23 15:33:22,293 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 15:33:22,294 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-23 15:33:22,294 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 15:33:22,295 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-23 15:33:22,295 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-23 15:33:22,295 INFO  L87              Difference]: Start difference. First operand 181 states and 286 transitions. Second operand  has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40)
[2023-12-23 15:33:26,046 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.50s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-23 15:33:26,198 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 15:33:26,199 INFO  L93              Difference]: Finished difference Result 293 states and 461 transitions.
[2023-12-23 15:33:26,200 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-23 15:33:26,201 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 248
[2023-12-23 15:33:26,201 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 15:33:26,203 INFO  L225             Difference]: With dead ends: 293
[2023-12-23 15:33:26,203 INFO  L226             Difference]: Without dead ends: 195
[2023-12-23 15:33:26,204 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-23 15:33:26,204 INFO  L413           NwaCegarLoop]: 154 mSDtfsCounter, 12 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time
[2023-12-23 15:33:26,205 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 295 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time]
[2023-12-23 15:33:26,205 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 195 states.
[2023-12-23 15:33:26,242 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 189.
[2023-12-23 15:33:26,243 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 189 states, 106 states have (on average 1.2924528301886793) internal successors, (137), 106 states have internal predecessors, (137), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80)
[2023-12-23 15:33:26,245 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 297 transitions.
[2023-12-23 15:33:26,246 INFO  L78                 Accepts]: Start accepts. Automaton has 189 states and 297 transitions. Word has length 248
[2023-12-23 15:33:26,247 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 15:33:26,247 INFO  L495      AbstractCegarLoop]: Abstraction has 189 states and 297 transitions.
[2023-12-23 15:33:26,247 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40)
[2023-12-23 15:33:26,247 INFO  L276                IsEmpty]: Start isEmpty. Operand 189 states and 297 transitions.
[2023-12-23 15:33:26,249 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 249
[2023-12-23 15:33:26,249 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 15:33:26,250 INFO  L195           NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-23 15:33:26,279 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0
[2023-12-23 15:33:26,463 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-23 15:33:26,464 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 15:33:26,465 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 15:33:26,465 INFO  L85        PathProgramCache]: Analyzing trace with hash 1463998121, now seen corresponding path program 1 times
[2023-12-23 15:33:26,465 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 15:33:26,465 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [565671951]
[2023-12-23 15:33:26,466 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 15:33:26,466 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-23 15:33:26,466 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 15:33:26,467 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-23 15:33:26,469 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2023-12-23 15:33:26,922 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 15:33:26,940 INFO  L262         TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-12-23 15:33:26,943 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 15:33:27,668 INFO  L134       CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked.
[2023-12-23 15:33:27,669 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 15:33:27,670 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 15:33:27,673 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [565671951]
[2023-12-23 15:33:27,673 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [565671951] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 15:33:27,673 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 15:33:27,673 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-23 15:33:27,673 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985103234]
[2023-12-23 15:33:27,673 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 15:33:27,674 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-23 15:33:27,674 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 15:33:27,674 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-23 15:33:27,674 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-23 15:33:27,675 INFO  L87              Difference]: Start difference. First operand 189 states and 297 transitions. Second operand  has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40)
[2023-12-23 15:33:31,812 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-23 15:33:34,451 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-23 15:33:38,414 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.89s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-23 15:33:38,462 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 15:33:38,462 INFO  L93              Difference]: Finished difference Result 401 states and 629 transitions.
[2023-12-23 15:33:38,464 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-23 15:33:38,465 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 248
[2023-12-23 15:33:38,465 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 15:33:38,467 INFO  L225             Difference]: With dead ends: 401
[2023-12-23 15:33:38,467 INFO  L226             Difference]: Without dead ends: 295
[2023-12-23 15:33:38,468 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-12-23 15:33:38,468 INFO  L413           NwaCegarLoop]: 148 mSDtfsCounter, 44 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time
[2023-12-23 15:33:38,469 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 444 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 10.8s Time]
[2023-12-23 15:33:38,469 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 295 states.
[2023-12-23 15:33:38,511 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 293.
[2023-12-23 15:33:38,513 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 293 states, 169 states have (on average 1.301775147928994) internal successors, (220), 169 states have internal predecessors, (220), 120 states have call successors, (120), 3 states have call predecessors, (120), 3 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120)
[2023-12-23 15:33:38,514 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 460 transitions.
[2023-12-23 15:33:38,514 INFO  L78                 Accepts]: Start accepts. Automaton has 293 states and 460 transitions. Word has length 248
[2023-12-23 15:33:38,517 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 15:33:38,517 INFO  L495      AbstractCegarLoop]: Abstraction has 293 states and 460 transitions.
[2023-12-23 15:33:38,517 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40)
[2023-12-23 15:33:38,517 INFO  L276                IsEmpty]: Start isEmpty. Operand 293 states and 460 transitions.
[2023-12-23 15:33:38,519 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 249
[2023-12-23 15:33:38,519 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 15:33:38,519 INFO  L195           NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-23 15:33:38,547 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0
[2023-12-23 15:33:38,732 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-23 15:33:38,732 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 15:33:38,733 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 15:33:38,733 INFO  L85        PathProgramCache]: Analyzing trace with hash -2021622549, now seen corresponding path program 1 times
[2023-12-23 15:33:38,733 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 15:33:38,733 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1787893204]
[2023-12-23 15:33:38,734 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 15:33:38,734 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-23 15:33:38,734 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 15:33:38,735 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-23 15:33:38,759 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process
[2023-12-23 15:33:39,156 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 15:33:39,174 INFO  L262         TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 22 conjunts are in the unsatisfiable core
[2023-12-23 15:33:39,181 INFO  L285         TraceCheckSpWp]: Computing forward predicates...